You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.3 KiB
104 lines
3.3 KiB
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "base/test/test_simple_task_runner.h"
|
|
|
|
#include <utility>
|
|
|
|
#include "base/logging.h"
|
|
#include "base/memory/ptr_util.h"
|
|
#include "base/threading/thread_task_runner_handle.h"
|
|
|
|
namespace base {
|
|
|
|
TestSimpleTaskRunner::TestSimpleTaskRunner() = default;
|
|
|
|
TestSimpleTaskRunner::~TestSimpleTaskRunner() = default;
|
|
|
|
bool TestSimpleTaskRunner::PostDelayedTask(const Location& from_here,
|
|
OnceClosure task,
|
|
TimeDelta delay) {
|
|
AutoLock auto_lock(lock_);
|
|
pending_tasks_.push_back(TestPendingTask(from_here, std::move(task),
|
|
TimeTicks(), delay,
|
|
TestPendingTask::NESTABLE));
|
|
return true;
|
|
}
|
|
|
|
bool TestSimpleTaskRunner::PostNonNestableDelayedTask(const Location& from_here,
|
|
OnceClosure task,
|
|
TimeDelta delay) {
|
|
AutoLock auto_lock(lock_);
|
|
pending_tasks_.push_back(TestPendingTask(from_here, std::move(task),
|
|
TimeTicks(), delay,
|
|
TestPendingTask::NON_NESTABLE));
|
|
return true;
|
|
}
|
|
|
|
// TODO(gab): Use SequenceToken here to differentiate between tasks running in
|
|
// the scope of this TestSimpleTaskRunner and other task runners sharing this
|
|
// thread. http://crbug.com/631186
|
|
bool TestSimpleTaskRunner::RunsTasksInCurrentSequence() const {
|
|
return thread_ref_ == PlatformThread::CurrentRef();
|
|
}
|
|
|
|
base::circular_deque<TestPendingTask> TestSimpleTaskRunner::TakePendingTasks() {
|
|
AutoLock auto_lock(lock_);
|
|
return std::move(pending_tasks_);
|
|
}
|
|
|
|
size_t TestSimpleTaskRunner::NumPendingTasks() const {
|
|
AutoLock auto_lock(lock_);
|
|
return pending_tasks_.size();
|
|
}
|
|
|
|
bool TestSimpleTaskRunner::HasPendingTask() const {
|
|
AutoLock auto_lock(lock_);
|
|
return !pending_tasks_.empty();
|
|
}
|
|
|
|
base::TimeDelta TestSimpleTaskRunner::NextPendingTaskDelay() const {
|
|
AutoLock auto_lock(lock_);
|
|
return pending_tasks_.front().GetTimeToRun() - base::TimeTicks();
|
|
}
|
|
|
|
base::TimeDelta TestSimpleTaskRunner::FinalPendingTaskDelay() const {
|
|
AutoLock auto_lock(lock_);
|
|
return pending_tasks_.back().GetTimeToRun() - base::TimeTicks();
|
|
}
|
|
|
|
void TestSimpleTaskRunner::ClearPendingTasks() {
|
|
AutoLock auto_lock(lock_);
|
|
pending_tasks_.clear();
|
|
}
|
|
|
|
void TestSimpleTaskRunner::RunPendingTasks() {
|
|
DCHECK(RunsTasksInCurrentSequence());
|
|
|
|
// Swap with a local variable to avoid re-entrancy problems.
|
|
base::circular_deque<TestPendingTask> tasks_to_run;
|
|
{
|
|
AutoLock auto_lock(lock_);
|
|
tasks_to_run.swap(pending_tasks_);
|
|
}
|
|
|
|
// Multiple test task runners can share the same thread for determinism in
|
|
// unit tests. Make sure this TestSimpleTaskRunner's tasks run in its scope.
|
|
ScopedClosureRunner undo_override;
|
|
if (!ThreadTaskRunnerHandle::IsSet() ||
|
|
ThreadTaskRunnerHandle::Get() != this) {
|
|
undo_override = ThreadTaskRunnerHandle::OverrideForTesting(this);
|
|
}
|
|
|
|
for (auto& task : tasks_to_run)
|
|
std::move(task.task).Run();
|
|
}
|
|
|
|
void TestSimpleTaskRunner::RunUntilIdle() {
|
|
while (HasPendingTask())
|
|
RunPendingTasks();
|
|
}
|
|
|
|
} // namespace base
|